87987508 has 24 divisors (see below), whose sum is σ = 182044800. Its totient is φ = 36408288.

The previous prime is 87987469. The next prime is 87987511. The reversal of 87987508 is 80578978.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53368 + ... + 54991.

It is an arithmetic number, because the mean of its divisors is an integer number (7585200).

Almost surely, 2^87987508 is an apocalyptic number.

It is an amenable number.

87987508 is an abundant number, since it is smaller than the sum of its proper divisors (94057292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87987508 is a wasteful number, since it uses less digits than its factorization.

87987508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108399 (or 108397 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 52.

The square root of 87987508 is about 9380.1656701788. The cubic root of 87987508 is about 444.7749701790.

The spelling of 87987508 in words is "eighty-seven million, nine hundred eighty-seven thousand, five hundred eight".